Home / 236,878.39-326,896.46-129,452.95

Finding the Fourth Proportional to 236,878.39, 326,896.46 and 129,452.95

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Solution

The fourth proportional to 236,878.39, 326,896.46 and 129,452.95 is: 178,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,878.39 : 326,896.46 = 129,452.95 : x
  2. Step 2: Convert to fraction form
    236,878.39/326,896.46 = 129,452.95/x
  3. Step 3: Cross multiply
    236,878.39x = 326,896.46 × 129,452.95
  4. Step 4: Simplify right side
    236,878.39x = 42,317,711,091.56
  5. Step 5: Solve for x
    x = 42,317,711,091.56/236,878.39
  6. Step 6: Final answer
    x = 178,647.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.